topic Re: CAN bus connection for 4-different-GND boards in S12 / MagniV Microcontrollers https://community.nxp.com/t5/S12-MagniV-Microcontrollers/CAN-bus-connection-for-4-different-GND-boards/m-p/723588#M14846 <HTML><HEAD></HEAD><BODY><P>Dear Daniel,</P><P></P><P>Thank you very much.</P><P></P><P>Best Regards,</P><P>Aaron</P></BODY></HTML> Sun, 21 Jan 2018 05:54:49 GMT aaronlee 2018-01-21T05:54:49Z CAN bus connection for 4-different-GND boards https://community.nxp.com/t5/S12-MagniV-Microcontrollers/CAN-bus-connection-for-4-different-GND-boards/m-p/723586#M14844 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I have a new project. I want to using S12ZVCA on each board. These board have different GND. May I using CANPHY on this project?</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/7879i2AE5F65DD137E0A5/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P></P><P>Best Regards,</P><P>Aaron</P></BODY></HTML> Mon, 15 Jan 2018 10:58:23 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/CAN-bus-connection-for-4-different-GND-boards/m-p/723586#M14844 aaronlee 2018-01-15T10:58:23Z Re: CAN bus connection for 4-different-GND boards https://community.nxp.com/t5/S12-MagniV-Microcontrollers/CAN-bus-connection-for-4-different-GND-boards/m-p/723587#M14845 <HTML><HEAD></HEAD><BODY><P>Hi Aaron,</P><P>I’m afraid this will not work, the CANH/CANL needs a common ground between the nodes.</P><P>You can use a galvanically isolated CAN transceiver, such as <A href="https://www.nxp.com/docs/en/data-sheet/TJA1052I.pdf">TJA1052i</A>.</P><P>&nbsp;</P><P>Regards,</P><P>Daniel</P></BODY></HTML> Thu, 18 Jan 2018 09:17:41 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/CAN-bus-connection-for-4-different-GND-boards/m-p/723587#M14845 danielmartynek 2018-01-18T09:17:41Z Re: CAN bus connection for 4-different-GND boards https://community.nxp.com/t5/S12-MagniV-Microcontrollers/CAN-bus-connection-for-4-different-GND-boards/m-p/723588#M14846 <HTML><HEAD></HEAD><BODY><P>Dear Daniel,</P><P></P><P>Thank you very much.</P><P></P><P>Best Regards,</P><P>Aaron</P></BODY></HTML> Sun, 21 Jan 2018 05:54:49 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/CAN-bus-connection-for-4-different-GND-boards/m-p/723588#M14846 aaronlee 2018-01-21T05:54:49Z